Posts about depth-first-search

Flood fill graphic
The Flood Fill Algorithm in Python

The flood fill algorithm has several high profile uses, most notably the bucket fill tool in image editing programs, as well as in games like Minesweeper. In this post we will go over how the tool works, as well as how to implement the algorithm.

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Python Project: Which cocktails can you make from a list of ingredients?

For many of us, going out to restaurants and bars is but a distant memory, and you might want to make your own cocktails at home. In this post we will build a program in Python to tell you what cocktails you can make from a list of input ingredients.

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Generating and solving Sudoku puzzles with Python

You might be familiar with Sudoku - the single-player puzzle that involves inserting the numbers 1-9 into a grid in a certain way. In this post we will generate and solve Sudoku puzzles with Python using a depth-first search backtracking algorithm.

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